| APA | OMOP. (2012, February 16). In Acronym Geek. Retrieved 03:50, February 16, 2012, from http://www.acronymgeek.com/OMOP |
| MLA | "OMOP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OMOP>. |
| MHRA | 'OMOP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OMOP> [accessed 16 February 2012] |
| Chicago | "OMOP", http://www.acronymgeek.com/OMOP (accessed February 16, 2012). |
| CBE/CSE | OMOP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OMOP. |
| Bluebook | OMOP, http://www.acronymgeek.com/OMOP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OMOP, http://www.acronymgeek.com/OMOP (optional description here) (as of Feb. 16, 2012, 03:50). |
| AMA | OMOP. Acronym Geek. February 16, 2012, 03:50. Available at: http://www.acronymgeek.com/OMOP. Accessed February 16, 2012, 03:50. |